#include<bits/stdc++.h>
using namespace std;

int main(){
    string a;
    cin>>a;
    for(int i=0;i<a.length();i++){
        if(a[i]>='A'&&a[i]<='Z'){
            a[i]+=4;
            if(a[i]>'Z'){
                a[i]-=26;
            }
            cout<<a[i];
        }
        if(a[i]>='a'&&a[i]<='z'){
            a[i]+=4;
            if(a[i]>'z'){
                a[i]-=26;
            }
            cout<<a[i];
        }        
    }
}